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Does PI AF have a way to subscribe data changes?

Question asked by johan.pakpahan on Dec 18, 2018
Latest reply on Dec 18, 2018 by rdavin

For OPC, a client can subscribe data change which happens on OPC server. Does PI AF provide a similar subscription function so that client using PI AF can subscribe data changes of tags? If a tag has a new snapshot data, then client will receive a notification of the data change.